2x(2+3x)=62

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Solution for 2x(2+3x)=62 equation:


Simplifying
2x(2 + 3x) = 62
(2 * 2x + 3x * 2x) = 62
(4x + 6x2) = 62

Solving
4x + 6x2 = 62

Solving for variable 'x'.

Reorder the terms:
-62 + 4x + 6x2 = 62 + -62

Combine like terms: 62 + -62 = 0
-62 + 4x + 6x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-31 + 2x + 3x2) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-31 + 2x + 3x2)' equal to zero and attempt to solve: Simplifying -31 + 2x + 3x2 = 0 Solving -31 + 2x + 3x2 = 0 Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. -10.33333333 + 0.6666666667x + x2 = 0 Move the constant term to the right: Add '10.33333333' to each side of the equation. -10.33333333 + 0.6666666667x + 10.33333333 + x2 = 0 + 10.33333333 Reorder the terms: -10.33333333 + 10.33333333 + 0.6666666667x + x2 = 0 + 10.33333333 Combine like terms: -10.33333333 + 10.33333333 = 0.00000000 0.00000000 + 0.6666666667x + x2 = 0 + 10.33333333 0.6666666667x + x2 = 0 + 10.33333333 Combine like terms: 0 + 10.33333333 = 10.33333333 0.6666666667x + x2 = 10.33333333 The x term is 0.6666666667x. Take half its coefficient (0.3333333334). Square it (0.1111111112) and add it to both sides. Add '0.1111111112' to each side of the equation. 0.6666666667x + 0.1111111112 + x2 = 10.33333333 + 0.1111111112 Reorder the terms: 0.1111111112 + 0.6666666667x + x2 = 10.33333333 + 0.1111111112 Combine like terms: 10.33333333 + 0.1111111112 = 10.4444444412 0.1111111112 + 0.6666666667x + x2 = 10.4444444412 Factor a perfect square on the left side: (x + 0.3333333334)(x + 0.3333333334) = 10.4444444412 Calculate the square root of the right side: 3.231786571 Break this problem into two subproblems by setting (x + 0.3333333334) equal to 3.231786571 and -3.231786571.

Subproblem 1

x + 0.3333333334 = 3.231786571 Simplifying x + 0.3333333334 = 3.231786571 Reorder the terms: 0.3333333334 + x = 3.231786571 Solving 0.3333333334 + x = 3.231786571 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.3333333334' to each side of the equation. 0.3333333334 + -0.3333333334 + x = 3.231786571 + -0.3333333334 Combine like terms: 0.3333333334 + -0.3333333334 = 0.0000000000 0.0000000000 + x = 3.231786571 + -0.3333333334 x = 3.231786571 + -0.3333333334 Combine like terms: 3.231786571 + -0.3333333334 = 2.8984532376 x = 2.8984532376 Simplifying x = 2.8984532376

Subproblem 2

x + 0.3333333334 = -3.231786571 Simplifying x + 0.3333333334 = -3.231786571 Reorder the terms: 0.3333333334 + x = -3.231786571 Solving 0.3333333334 + x = -3.231786571 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.3333333334' to each side of the equation. 0.3333333334 + -0.3333333334 + x = -3.231786571 + -0.3333333334 Combine like terms: 0.3333333334 + -0.3333333334 = 0.0000000000 0.0000000000 + x = -3.231786571 + -0.3333333334 x = -3.231786571 + -0.3333333334 Combine like terms: -3.231786571 + -0.3333333334 = -3.5651199044 x = -3.5651199044 Simplifying x = -3.5651199044

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.8984532376, -3.5651199044}

Solution

x = {2.8984532376, -3.5651199044}

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